<template>
    <div class="app-container">
      <el-card shadow="never" v-show="showSearch" class="m-b-10 search-area">
        <el-form :model="queryParams" ref="queryRef" :inline="true" >
  
          <el-row :gutter="15">
            <el-col :span="6">
              <el-form-item label="菜单名称" prop="menuName" class="w-100">
                <el-input
                    v-model="queryParams.menuName"
                    placeholder="请输入菜单名称"
                    clearable
                    @keyup.enter="handleQuery"
                />
              </el-form-item>
            </el-col>
            <el-col :span="6">
              <el-form-item label="状态" prop="state" class="w-100">
                <el-select v-model="queryParams.state" class="w-100" placeholder="菜单状态" clearable>
                  <el-option
                      label="正常"
                      value="1"
                  />
                  <el-option
                      label="停用"
                      value="0"
                  />
                </el-select>
              </el-form-item>
            </el-col>
            <el-col :span="12" class="text-right">
              <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
              <el-button icon="Refresh" @click="resetQuery">重置</el-button>
            </el-col>
          </el-row>
        </el-form>
      </el-card>
  
      <el-card shadow="never">
        <el-row :gutter="10" class="m-b-8">
          <el-col :span="1.5">
            <el-button
                type="primary"
                plain
                icon="Plus"
                @click="handleAdd"
                v-hasPermi="['system:menu:add']"
            >新增
            </el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
                type="info"
                plain
                icon="Sort"
                @click="toggleExpandAll"
            >展开/折叠
            </el-button>
          </el-col>
          <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>
  
        <el-table
            v-if="refreshTable"
            v-loading="loading"
            :data="menuList"
            row-key="menuId"
            :default-expand-all="isExpandAll"
            :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
            :style="{height: 'calc(100vh - 260px)'}"
        >
          <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
          <el-table-column prop="icon" label="图标" align="center" width="100">
            <template #default="{row}">
              {{ row.menuIcon || '--' }}
              <!-- <svg-icon :icon-class="scope.row.icon"/> -->
            </template>
          </el-table-column>
          <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true">
            <template #default="{row}">
              {{ row.component || '--' }}
            </template>
          </el-table-column>
          <el-table-column prop="status" label="状态" width="80">
            <template #default="{row}">
            <el-tag v-if="row.state == '1'" size="small" type="success">正常</el-tag>
            <el-tag v-if="row.state == '0'" size="small" type="error">停用</el-tag>
            </template>
          </el-table-column>
          <el-table-column label="创建时间" align="center" prop="createDate">
          </el-table-column>
          <el-table-column label="操作" align="center" width="280" class-name="small-padding fixed-width">
            <template #default="scope">
              <el-button
                  text
                  type="primary"
                  size="small"
                  icon="Edit"
                  @click="handleUpdate(scope.row)"
              >修改
              </el-button>
              <el-button
                  text
                  type="primary"
                  size="small"
                  icon="Plus"
                  @click="handleAdd(scope.row)"
              >新增
              </el-button>
              <el-button
                  text
                  type="danger"
                  size="small"
                  icon="Delete"
                  @click="handleDelete(scope.row)"
              >删除
              </el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
  
      <!-- 添加或修改菜单对话框 -->
      <el-dialog :title="title" v-model="open" width="680px" append-to-body>
        <el-form ref="menuRef" :model="form" :rules="rules" label-width="100px">
          <el-row>
            <el-col :span="24">
              <el-form-item label="上级菜单">
                <el-tree-select
                    v-model="form.menuUpId"
                    :data="menuOptions"
                    :props="{ value: 'menuId', label: 'menuName', children: 'children' }"
                    value-key="menuId"
                    placeholder="选择上级菜单"
                    check-strictly
                    :render-after-expand="false"
                />
              </el-form-item>
            </el-col>
            <!-- <el-col :span="24">
              <el-form-item label="菜单类型" prop="menuType">
                <el-radio-group v-model="form.menuType">
                  <el-radio label="M">目录</el-radio>
                  <el-radio label="C">菜单</el-radio>
                  <el-radio label="F">按钮</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col> -->
            <el-col :span="24">
              <el-form-item label="菜单图标" prop="icon">
                <el-popover
                    placement="bottom-start"
                    :width="540"
                    v-model="showChooseIcon"
                    trigger="click"
                    @show="showSelectIcon"
                >
                  <template #reference>
                    <el-input v-model="form.icon" placeholder="点击选择图标" @click="showSelectIcon"
                              v-click-outside="hideSelectIcon" readonly>
                      <template #prefix>
                        <svg-icon
                            v-if="form.icon"
                            :icon-class="form.icon"
                            class="el-input__icon"
                            style="height: 32px;width: 16px;"
                        />
                        <el-icon v-else style="height: 32px;width: 16px;">
                          <search/>
                        </el-icon>
                      </template>
                    </el-input>
                  </template>
                </el-popover>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item label="菜单名称" prop="menuName">
                <el-input v-model="form.menuName" placeholder="请输入菜单名称"/>
              </el-form-item>
            </el-col>
            <!-- <el-col :span="12">
              <el-form-item label="显示排序" prop="orderNum">
                <el-input-number v-model="form.orderNum" controls-position="right" :min="0"/>
              </el-form-item>
            </el-col> -->
            <el-col :span="12" >
              <el-form-item prop="menuUrl">
                <template #label>
                          <span>
                             <el-tooltip content="访问的路由地址，如：`user`"
                                         placement="top">
                                <el-icon><question-filled/></el-icon>
                             </el-tooltip>
                             路由地址
                          </span>
                </template>
                <el-input v-model="form.menuUrl" placeholder="请输入路由地址"/>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item prop="component">
                <template #label>
                          <span>
                             <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下"
                                         placement="top">
                                <el-icon><question-filled/></el-icon>
                             </el-tooltip>
                             组件路径
                          </span>
                </template>
                <el-input v-model="form.component" placeholder="请输入组件路径"/>
              </el-form-item>
            </el-col>
            <!-- <el-col :span="12" v-if="form.menuType != 'M'">
              <el-form-item>
                <el-input v-model="form.perms" placeholder="请输入权限标识" maxlength="100"/>
                <template #label>
                          <span>
                             <el-tooltip
                                 content="控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasPermi('system:user:list')`)"
                                 placement="top">
                                <el-icon><question-filled/></el-icon>
                             </el-tooltip>
                             权限字符
                          </span>
                </template>
              </el-form-item>
            </el-col> -->
            <el-col :span="12">
              <el-form-item>
                <template #label>
                          <span>
                             <el-tooltip content="选择停用则路由将不会出现在侧边栏，也不能被访问" placement="top">
                                <el-icon><question-filled/></el-icon>
                             </el-tooltip>
                             菜单状态
                          </span>
                </template>
                <el-radio-group v-model="form.state">
                  <el-radio label="1">正常</el-radio>
                  <el-radio label="0">停用</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
          </el-row>
        </el-form>
        <template #footer>
          <div class="dialog-footer">
            <el-button type="primary" @click="submitForm">确 定</el-button>
            <el-button @click="cancel">取 消</el-button>
          </div>
        </template>
      </el-dialog>
    </div>
  </template>
  
  <script setup name="Menu">
  import {listMenu, addUpdateMenu, getMenu, delMenu} from "@/api/system/menu";
  import {ClickOutside as vClickOutside} from 'element-plus'
  import {ref} from "vue";
  
  const {proxy} = getCurrentInstance();
//   const {sys_show_hide, sys_normal_disable} = proxy.useDict("sys_show_hide", "sys_normal_disable");
  
  const menuList = ref([]);
  const open = ref(false);
  const loading = ref(true);
  const showSearch = ref(true);
  const title = ref("");
  const menuOptions = ref([]);
  const isExpandAll = ref(false);
  const refreshTable = ref(true);
  const showChooseIcon = ref(false);
  const iconSelectRef = ref(null);
  
  const data = reactive({
    form: {
      state: '1'
    },
    queryParams: {
      menuName: undefined,
      visible: undefined
    },
    rules: {
      menuName: [{required: true, message: "菜单名称不能为空", trigger: "blur"}],
      component: [{required: true, message: "组件地址不能为空", trigger: "blur"}],
      menuUrl: [{required: true, message: "路由地址不能为空", trigger: "blur"}],
      orderNum: [{required: true, message: "菜单顺序不能为空", trigger: "blur"}],
      path: [{required: true, message: "路由地址不能为空", trigger: "blur"}]
    },
  });
  
  const {queryParams, form, rules} = toRefs(data);
  
  /** 查询菜单列表 */
  function getList() {
    loading.value = true;
    listMenu(queryParams.value).then(response => {
      menuList.value = proxy.handleTree(response.data, "menuId", 'menuUpId');
      //menuList.value = response.data
    }).finally(()=>{
      loading.value = false;
    })
  }
  
  /** 查询菜单下拉树结构 字段*/ 
  function getTreeselect() {
    menuOptions.value = [];
    listMenu({a:1}).then(response => {
      const menu = {menuId: "0", menuName: "主类目", children: []};
      menu.children = proxy.handleTree(response.data, "menuId", 'menuUpId');
    //   menu.children = response.data;
      menuOptions.value.push(menu);
    });
  }
  
  /** 取消按钮 */
  function cancel() {
    open.value = false;
    reset();
  }
  
  /** 表单重置 */
  function reset() {
    form.value = {
      state: '1',
      menuId: undefined,
      menuUpId: "0",
      menuName: undefined,
      icon: undefined,
      menuType: "M",
      orderNum: undefined,
      isFrame: "1",
      isCache: "0",
      visible: "0",
      status: "0"
    };
    // proxy.$refs["menuRef"].resetFields();
  }
  
  /** 展示下拉图标 */
  function showSelectIcon() {
    iconSelectRef.value.reset();
    showChooseIcon.value = true;
  }
  
  /** 选择图标 */
  function selected(name) {
    form.value.icon = name;
    showChooseIcon.value = false;
  }
  
  /** 图标外层点击隐藏下拉列表 */
  function hideSelectIcon(event) {
    var elem = event.relatedTarget || event.srcElement || event.target || event.currentTarget;
    var className = elem.className;
    if (className !== "el-input__inner") {
      showChooseIcon.value = false;
    }
  }
  
  /** 搜索按钮操作 */
  function handleQuery() {
    getList();
  }
  
  /** 重置按钮操作 */
  function resetQuery() {
    // proxy.$refs["queryRef"].resetFields();
    handleQuery();
  }
  
  /** 新增按钮操作 */
  function handleAdd(row) {
    reset();
    getTreeselect();
    if (row != null && row.menuId) {
      form.value.menuUpId = row.menuId;
    } else {
      form.value.menuUpId = "0";
    }
    open.value = true;
    title.value = "添加菜单";
  }
  
  /** 展开/折叠操作 */
  function toggleExpandAll() {
    refreshTable.value = false;
    isExpandAll.value = !isExpandAll.value;
    nextTick(() => {
      refreshTable.value = true;
    });
  }
  
  /** 修改按钮操作 */
  async function handleUpdate(row) {
    reset();
    await getTreeselect();
    getMenu({menuId:row.menuId}).then(response => {
      form.value = response.data;
      open.value = true;
      title.value = "修改菜单";
    });
  }
  
  /** 提交按钮 */
  function submitForm() {
    proxy.$refs["menuRef"].validate(valid => {
      if (valid) {
        addUpdateMenu(form.value).then(response => {
            proxy.$modal.msgSuccess("操作成功");
            open.value = false;
            getList();
        });
      }
    });
  }
  
  /** 删除按钮操作 */
  function handleDelete(row) {
    proxy.$modal.confirm('是否确认删除名称为"' + row.menuName + '"的数据项?').then(function () {
      return delMenu({menuId:row.menuId});
    }).then(() => {
      getList();
      proxy.$modal.msgSuccess("删除成功");
    }).catch(() => {
    });
  }
  
  getList();
  </script>
  